Alanine as Developer Preservative

Yes, Ryuji had developer stabilizers for use in trays that were never disclosed:

Alan Johnson said:

Yes, Ryuji had developer stabilizers for use in trays that were never disclosed:

Improved version of DS-10 by Ryuji Suzuki?

Why would a long time in a sulfite-rich solution, in and of itself increase graininess? That seems odd, unless what you're seeing is simply more development taking place due to the developing agents being better preserved by the higher sulfite level, which would indeed increase graininess. But...

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Sort of a shame that he didn't patent it since he made no further commercial effort around it. That would have protected his commercial interests for the duration of the patent but let the rest of us in on the secret. Of course it's expensive to file a patent, so maybe that was the reason. Not that he owes us anything, he has certainly put a lot of great information out there.